feat: command flags cleanup

internal/command/admin/proxy/flag/flag.go

@@ -7,16 +7,9 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-const FlagProxyName = "proxy-name"
-
 func WithProxyFlags(flags ...cli.Flag) []cli.Flag {
 	baseFlags := clientFlag.ComposeFlags(
-		&cli.StringFlag{
-			Name:     FlagProxyName,
-			Usage:    "use `PROXY_NAME` as targeted proxy",
-			Value:    "",
-			Required: true,
-		},
+		ProxyName(),
 	)
 
 	flags = append(flags, baseFlags...)
@@ -24,8 +17,58 @@ func WithProxyFlags(flags ...cli.Flag) []cli.Flag {
 	return flags
 }
 
+const KeyProxyName = "proxy-name"
+
+func ProxyName() cli.Flag {
+	return &cli.StringFlag{
+		Name:     KeyProxyName,
+		Usage:    "use `PROXY_NAME` as targeted proxy",
+		Value:    "",
+		Required: true,
+	}
+}
+
+const KeyProxyTo = "proxy-to"
+
+func ProxyTo() cli.Flag {
+	return &cli.StringFlag{
+		Name:     KeyProxyTo,
+		Usage:    "Set `PROXY_TO` as proxy's destination url",
+		Value:    "",
+		Required: true,
+	}
+}
+
+const KeyProxyFrom = "proxy-from"
+
+func ProxyFrom() cli.Flag {
+	return &cli.StringSliceFlag{
+		Name:  KeyProxyFrom,
+		Usage: "Set `PROXY_FROM` as proxy's patterns to match incoming requests",
+		Value: cli.NewStringSlice("*"),
+	}
+}
+
+const KeyProxyWeight = "proxy-weight"
+
+func ProxyWeight() cli.Flag {
+	return &cli.IntFlag{
+		Name:  KeyProxyWeight,
+		Usage: "Set `PROXY_WEIGHT` as proxy's weight",
+	}
+}
+
+const KeyProxyEnabled = "proxy-enabled"
+
+func ProxyEnabled() cli.Flag {
+	return &cli.BoolFlag{
+		Name:  KeyProxyEnabled,
+		Usage: "Enable or disable proxy",
+	}
+}
+
 func AssertProxyName(ctx *cli.Context) (store.ProxyName, error) {
-	rawProxyName := ctx.String(FlagProxyName)
+	rawProxyName := ctx.String(KeyProxyName)
 
 	name, err := store.ValidateName(rawProxyName)
 	if err != nil {